Yes. Lubricants, vegetable oils, glycerine, deodorant sprays and scented tampons can all affect the ability of sperm to survive. Saliva can also kill sperm. Douching is not recommended either as it can cause infection, remove mucous and upset your Ph balance. 

Cervical mucous is needed to transport the sperm into the fallopian tube for fertilisation. Anything that alters the Ph balance in the vagina and reduces the mucous may cause lower fertility levels.